JPH0257267B2 - - Google Patents
Info
- Publication number
- JPH0257267B2 JPH0257267B2 JP59065180A JP6518084A JPH0257267B2 JP H0257267 B2 JPH0257267 B2 JP H0257267B2 JP 59065180 A JP59065180 A JP 59065180A JP 6518084 A JP6518084 A JP 6518084A JP H0257267 B2 JPH0257267 B2 JP H0257267B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic core
- magnetic field
- shaped
- frequency magnetic
- ultrasonic transducer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000005284 excitation Effects 0.000 claims description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 230000004907 flux Effects 0.000 claims description 14
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims 4
- 229910052751 metal Inorganic materials 0.000 claims 4
- 238000004804 winding Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 12
- 230000035945 sensitivity Effects 0.000 description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/24—Probes
- G01N29/2412—Probes using the magnetostrictive properties of the material to be examined, e.g. electromagnetic acoustic transducers [EMAT]
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6518084A JPS60227163A (ja) | 1984-04-03 | 1984-04-03 | 高周波磁心を用いた横波用電磁超音波トランスジユ−サ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6518084A JPS60227163A (ja) | 1984-04-03 | 1984-04-03 | 高周波磁心を用いた横波用電磁超音波トランスジユ−サ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60227163A JPS60227163A (ja) | 1985-11-12 |
| JPH0257267B2 true JPH0257267B2 (ru) | 1990-12-04 |
Family
ID=13279451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6518084A Granted JPS60227163A (ja) | 1984-04-03 | 1984-04-03 | 高周波磁心を用いた横波用電磁超音波トランスジユ−サ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60227163A (ru) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4223470C2 (de) * | 1992-07-16 | 1995-10-05 | Fraunhofer Ges Forschung | Ultraschall-Prüfkopf |
| DK1391024T3 (da) | 2001-05-08 | 2010-08-16 | Univ Aalborg | Transversal flux-maskine med stator fremstillet af E-formede laminater |
| KR100584758B1 (ko) * | 2001-12-26 | 2006-05-30 | 주식회사 포스코 | 초음파 센서 및 이를 이용한 강판 용접부의 원거리 검사장치 |
| JP4261979B2 (ja) * | 2003-05-12 | 2009-05-13 | キヤノン株式会社 | 位置決め装置、露光装置およびデバイス製造方法 |
| KR101109138B1 (ko) | 2009-11-11 | 2012-02-24 | 한국원자력연구원 | 펄스자기장 발생장치 |
| CN103217481A (zh) * | 2013-04-02 | 2013-07-24 | 厦门大学 | 一种应用磁致伸缩的磁声成像探头 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5314388A (en) * | 1976-07-26 | 1978-02-08 | Meisei Engineering | Process and apparatus for recovery of copper wire from insulated copper wire |
| JPS57165761A (en) * | 1981-04-03 | 1982-10-12 | Nippon Kokan Kk <Nkk> | Transducer for electro-magnetic ultrasonic wave |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58127358U (ja) * | 1982-02-22 | 1983-08-29 | 三菱電機株式会社 | 電磁超音波探触子装置 |
-
1984
- 1984-04-03 JP JP6518084A patent/JPS60227163A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5314388A (en) * | 1976-07-26 | 1978-02-08 | Meisei Engineering | Process and apparatus for recovery of copper wire from insulated copper wire |
| JPS57165761A (en) * | 1981-04-03 | 1982-10-12 | Nippon Kokan Kk <Nkk> | Transducer for electro-magnetic ultrasonic wave |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60227163A (ja) | 1985-11-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Frost | Electromagnetic–ultrasound transducers: Principles, practice, and applications | |
| US4127035A (en) | Electromagnetic transducer | |
| Hirao et al. | EMATs for science and industry: noncontacting ultrasonic measurements | |
| Kannan et al. | SHM of pipes using torsional waves generated by in situ magnetostrictive tapes | |
| US4777824A (en) | Electromagnetic acoustic transducer | |
| US11774409B2 (en) | Electromagnetic acoustic transducer (EMAT) for corrosion mapping | |
| US4104922A (en) | Electromagnetic transducer | |
| US10466206B2 (en) | Non destructive magnetostrictive testing with unidirectional guided waves generated by ferromagnetic strip sensor | |
| MXPA04007420A (es) | Transductores acusticos electromagneticos. | |
| JPH0257267B2 (ru) | ||
| Mikhailov et al. | An electromagnetic–acoustic transducer with pulsed biasing | |
| US7395715B2 (en) | Electromagnetic ultrasound probe | |
| JP2006511173A (ja) | 電磁超音波変換器 | |
| Panda et al. | Generation and detection of guided waves in a defective pipe using rapidly quenched magnetostrictive ribbons | |
| Liu et al. | A compact guided-wave EMAT with pulsed electromagnet for ferromagnetic tube inspection | |
| US5987993A (en) | Test apparatus and method for nondestructive material testing | |
| US5936162A (en) | Method for the production of ultrasound waves for nondestructive materials testing and an ultrasound test instrument | |
| Aliouane et al. | Electromagnetic acoustic transducers (EMATs) design evaluation of their performances | |
| JPH0113533B2 (ru) | ||
| JP3504430B2 (ja) | 斜角電磁超音波トランスデューサ | |
| JP7387105B2 (ja) | 電磁超音波探触子 | |
| Ge et al. | Development of High Temperature Rayleigh Wave Electromagnetic Acoustic Transducer with Double Coil Structure | |
| RU2243550C1 (ru) | Электромагнитно-акустический преобразователь | |
| JPS5977352A (ja) | 電磁超音波計測装置 | |
| Liu et al. | Development of an omni-directional shear horizontal mode magnetostrictive patch transducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |